NEW YORK — One guy in sweats walked into the coach’s office, followed by one in a business suit, followed by another in team warmup attire.

Who knows, other than those three men, what was said Monday within those four Barclays Center walls. But the visual of 76ers coach Brett Brown heading into his office, trailed by general manager Sam Hinkie and small forward Evan Turner, seemed suspicious.

“Nothing much right now,” Hinkie responded, when asked about what’s new on the trade front.

Turner scoffed at a similar question.

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“We were watching film. We watch film before every game,” Turner said. “I wasn’t in trouble. Whatever happens behind closed doors is private.”

The Sixers have been mentioned in multiple reports as one of five teams involved in trade talks regarding Houston center Omer Asik, whom the Rockets contend they would like to move by Thursday. There’s no telling when or how such a transaction would go down, so why not in Brooklyn on a Monday night, right?

If Turner had been traded, people would have known, the fourth-year man said.

There were no names added to the Sixers’ roster, and there was no end to their losing ways.

Defensive lapses reigned, as the Sixers were beaten by Brooklyn in lopsided fashion, 130-94. The Nets shot 60.3 percent from the floor, using lengthy scoring sprees in the middle quarters to put away the Sixers.

The Sixers were content to let Joe Johnson do his thing. The Nets guard scored 29 of his 37 points in a dominant third-quarter performance, the most he’s ever posted in a single quarter in his 13-year career. Johnson had eight 3-pointers in the period, tying Milwaukee’s Michael Redd for the NBA mark. And Deron Williams paired 13 points with 13 assists for the Nets (9-15), who have won four of five.

“(Johnson) kind of got into a rhythm,” said the Sixers’ James Anderson. “D Will did a good job finding him and kept him going and he hit some tough shots. A couple, I challenged him. My hand was dang-near on his face and still knocked them down. It just kind of got contagious throughout the whole team.”

As if extending their season-long losing streak to seven games wasn’t bad enough, the Sixers etched their names into the NBA record book. With a Johnson 3-pointer in the final minute of the third quarter, the Sixers had given up 15 or more 3-pointers in a game for the sixth time. It’s inevitable that, with 56 games remaining on their schedule, that record will be shattered by season’s end.

It wasn’t always so grim for the Sixers. After trimming a sizable deficit to seven points in the second quarter, the Sixers were outscored, 17-6, over the next 5 minutes, 31 seconds. Once more, the Sixers tightened things up and got it to a 10-point game by halftime. But the Nets poured it on out of the break, using a 9-0 run to take a commanding lead. Then Johnson went off, and the game was over.

That all added up to the Sixers (7-19) losing for the 14th time of their last 16 games. They have dropped 11 consecutive road games, own the NBA’s worst road record and have not won away from home since Nov. 1 at Washington.

Considering only one of their next seven games is at home — and that’s Friday night against these Nets — the short-range outlook for the Sixers is looking kind of bleak.

The long-range outlook might resemble much of the same, assuming they jettison Turner or anyone else in the coming weeks. Turner will be an unrestricted free agent this summer if the Sixers don’t make him an $8.7 million qualifying offer before June, and that seems highly unlikely. Spencer Hawes is headed for free agency, too, which means he might be on the trading block.

No one knows what the Sixers’ next step will be. With more games like Monday’s against the Nets, Hinkie & Co. won’t have any heavy hearts when it comes to breaking up this team.

Turner left the game only 90 seconds into the opening quarter, with what was termed a left great toenail bed contusion. He returned a few minutes later, seemingly unbothered by the injury.

The Nets only padded their lead as the game wore on, largely behind that 29-point showing in the third quarter by Johnson. In the period, he looked untouchable in shooting 10-for-15 overall and 8-for-11 from 3-point range, helping Brooklyn build an insurmountable advantage.

“I think it’s just being exposed. We can’t guard anybody. We can’t guard our own man,” Brown said. “You look at that. Every one of the 3s, you look at it and you assess, ‘How did that happen?’ It starts with individual breakdowns and we’re trying to put our fires behind it, trying to rotate around. We give them credit — they shot the hell out of it. But I think it started with our inability to guard our man.”

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Sixers guard Elliot Williams went down awkwardly after a fourth-quarter dunk. He left the game with 40 seconds to go, walking to the team’s bench grabbing the small of his back.